From Business-standard.com: The Securities and Exchange Board of India (Sebi) is studying a proposal submitted by exchanges to extend trading hours of the currency futures segment in line with commodities as both are linked closely with each other.

If Sebi approves the demand, trading hours of currency futures will be extended to 11.30 pm from the existing 9 am to 5.30 pm. International trading in futures continues for nearly 23 hours a day….. Full Article: Source